How did a deceased, homeless Welshman become the most effective secret agent of World War II? This episode uncovers the brilliant espionage tradecraft behind Operation Mincemeat, a masterclass in counter-intelligence orchestrated by British naval intelligence officers Ewen Montagu and Charles Cholmondeley. Discover how MI5 meticulously forged "pocket litter," created a fake fiancée, and built a flawless legend for a corpse to completely blindside Nazi intelligence.